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Homework 6 Indexes and Trees Due 2 / 2 7 / 2 0 2 4 , Upload pdf to Canvas 2 0 pts Records with

Homework 6
Indexes and Trees
Due 2/27/2024, Upload pdf to Canvas
20 pts
Records with the following values in a given attribute are being indexed on that attribute. The index takes these
values in in this order:
XNR AXA ZS3 NY1 S85 OY9 QWH AHZ 8VD VPR 1UQ QUX QBP TC7 IYT NNX
IX]
HHO
V7A U8I QXZ BWF DUN 1YC 6EM BWR
J9L
WTY
YHX
O3G
Consider a multi-level index with the above values, a B tree, that is well-constructed for these values where p=
4 and a leaf node is, on average, 67% full. Use your drawing program to draw the tree and show the parts of
each node.
a. How many nodes are in the B tree given the records listed below?
b. What is the first value shown in the B tree?
c. How many levels does this B tree have?
d. What is the order in which a B tree will be traversed?
e. When I search for the record with the value V7A, how many block accesses will I make to reach the
record I need?
f. At the node where you located the pointer to the record with 12V, how much had you reduced the
search space (what percentage) by using the B tree index?
Using the same values, consider a multi-level index, a B+tree, that is well-constructed for these values where
p(internal) leaf
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